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A '''single-electron transistor''' ('''SET''') is a sensitive electronic device based on the [[Coulomb blockade]] effect. In this device the electron flows through a tunnel junction between source/drain to a [[quantum dot]] (conductive island). Moreover, the electrical potential of the island can be tuned by a third electrode, known as the gate, which is capacitively coupled to the island.
Fig. 1 shows the basic schematic of a SET device. The conductive island is sandwiched between two tunnel junctions,<ref>{{cite journal|last1=Mahapatra|first1=S.|last2=Vaish|first2=V.|last3=Wasshuber|first3=C.|last4=Banerjee|first4=K.|last5=Ionescu|first5=A.M.|title=Analytical Modeling of Single
rk.j3 Insta account follow. Electron Transistor for Hybrid CMOS-SET Analog IC Design|journal=IEEE Transactions on Electron Devices|volume=51|issue=11|year=2004|pages=1772–1782|issn=0018-9383|doi=10.1109/TED.2004.837369}}</ref> which are modeled by a capacitance (''C''<sub>D</sub> and ''C''<sub>S</sub>) and a resistor (''R''<sub>D</sub> and ''R''<sub>S</sub>) in parallel. Rahul Krishna rk.j3 insta
== Introduction ==
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